October 2025 in “Journal of the Korean Society of Cosmetology” This study found that applying a hair mist with dandelion extract before heat perming improved wave efficiency, tensile strength, and hair cuticle condition compared to a base mist or no pretreatment, demonstrating the extract's protective effects against heat damage.
September 2018 in “PubMed” This review discusses the aging-related changes in hair properties, their impact on styling, and potential interventions, without providing new clinical results.
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May 2021 in “Applied sciences” This study investigated various proteins as eco-friendly hair perming agents for Asian hair and found that bovine serum albumin and keratin achieved perming results comparable to commercial products, while also increasing hair moisture, indicating a protective effect during heat styling.
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May 2023 in “Frontiers in medicine” This review explores how hair dyes and perms can damage hair structure and notes that while some adverse outcomes like skin irritation and allergic reactions have been reported, evidence from human studies remains inconsistent regarding potential risks, including cancer.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” This study found that using natural polyphenol cross-linkers like tannic acid and green tea extract during perm treatments improved perming efficiency, wave maintenance, and hair protection compared to a control group.